Referendum Act Article 28
The number of proposers and joint signatories, the documents required for submitting a local referendum proposal, the examination procedure, and the organization of presentations or debates shall be prescribed by the respective special municipalities and counties (cities) by self-government ordinances.
中文原文 公民投票法第28條
公民投票案提案、連署人數、應附具文件、查核程序及發表會或辯論會之舉辦，由直轄市、縣（市）以自治條例定之。